INK CARTRIDGE Russian patent published in 2011 - IPC B41J2/175 

FIELD: printing industry.

SUBSTANCE: invention relates to ink cartridge. Ink cartridge comprises a jacket, which has at least part of ink chamber formed in it, area of ink feed arranged in front surface of jacket, configured to feed ink from inner part of ink chamber into outer part of ink chamber, area of air inlet arranged on jacket, fit to suck air into ink chamber, movable part arranged with the possibility of displacement between the first position and the second position relative to jacket, and at least one elastic part, the first end of which is connected to front surface of jacket and the second end of which is attached to movable part. Besides, at least one elastic part is fit to stretch and compress for displacement of movable part relative to jacket between the first position and the second position.

EFFECT: invention provides for protection against damage of ink feed area and air inlet area, and also for ease of ink cartridge removal from printing device.

22 cl, 33 dwg